MAIN-1753 - patched pod conditions (#295)

This can be tested with


https://raw.githubusercontent.com/kubernetes/website/main/content/en/examples/controllers/job-pod-failure-policy-failjob.yaml

robusta_krr/core/runner.py

@@ -20,6 +20,7 @@
 from robusta_krr.utils.intro import load_intro_message
 from robusta_krr.utils.progress_bar import ProgressBar
 from robusta_krr.utils.version import get_version, load_latest_version
+from robusta_krr.utils.patch import create_monkey_patches
 
 logger = logging.getLogger("krr")
 
@@ -312,7 +313,6 @@ async def _collect_result(self) -> Result:
     async def run(self) -> int:
         """Run the Runner. The return value is the exit code of the program."""
         await self._greet()
-
         try:
             settings.load_kubeconfig()
         except Exception as e:
@@ -321,6 +321,7 @@ async def run(self) -> int:
             return 1  # Exit with error
 
         try:
+            create_monkey_patches()
             # eks has a lower step limit than other types of prometheus, it will throw an error
             step_count = self._strategy.settings.history_duration * 60 / self._strategy.settings.timeframe_duration
             if settings.eks_managed_prom and step_count > 11000:

robusta_krr/utils/patch.py

@@ -0,0 +1,15 @@
+import logging
+
+from kubernetes.client.models.v1_pod_failure_policy_rule import V1PodFailurePolicyRule
+
+def create_monkey_patches():
+    """
+        The python kubernetes client will throw exceptions for specific fields that were not allowed to be None on older versions of kubernetes.
+    """
+    logger = logging.getLogger("krr")
+    logger.debug("Creating kubernetes python cli monkey patches")
+
+    def patched_setter_pod_failure_policy(self, on_pod_conditions):
+        self._on_pod_conditions = on_pod_conditions
+
+    V1PodFailurePolicyRule.on_pod_conditions = V1PodFailurePolicyRule.on_pod_conditions.setter(patched_setter_pod_failure_policy)